LG has their own version of multi-window too (I'm not talking about qslide)
It works a lot like Samsungs version, the feature comes standard on the LG flex and LG pro2, but it had been ported to LG g2 successfully (along with some other great LG features. I wish someone would port those features for our tablet.
LG G Pad - LRS
Att LG G3 850 - Stock Rooted
Att LG G2 800 - Died in the river!
Nexus 4 - Carbon - Franco - sold
Nexus 7 - Carbon - Franco - gave to my son
HTC One X - S off - Venom-sold
Galaxy S2 Skyrocket-Red Pocket-CM10-sold
Motorola Xoom- Codename Android 3.4.1- sold